Edge1337 released a simple counter/stop watch appliaction for PlayStation Portable.

Release notes:

– Just a simple counter/stop watch.
– Mostly just a proof of concept Homebrew Application to test out on making Homebrew.
– Use: To serve as a counter or a stopwatch.
– No firmware limitations. Open to all firmwares.

http://forums.qj.net/showthread.php?t=146441